DRF 112 Sketching

Lab Hours: 3
Credits: 1

Covers basic technical sketching and field measurement skills and techniques as used in drafting process and practical pictorial communication.

Student Learning Outcomes:

Demonstrate several practical uses of freehand sketching and cite examples of each.
Sketch straight lines, circles, arcs, and geometric shapes with sufficient accuracy, proportion, and line weight to easily communicate visual information on paper.
Utilize orthographic projection sketches suitable for use as a preliminary drawing for drafting.
Read and use architectural, engineering and metric scales.
Accurately field measure and sketch existing site features using a variety of techniques.

Content Outline

Introduction
- Purpose and use of sketching skills
- Examples
- Materials
- Determining data to be recorded
Freehand Line Work
- Line types
- Visualization of three-dimensional objects
- Dimensioning
- Lettering and notation
Orthographic Projection Sketches
- Principles of projection
- Proper orientation of views
Reading Scales
- Architectural
- Engineering
- Metric
- Determining the scale of a sketch
Field Measurement and Recording
- Simple tape measuring
- Swing tie
- Coordinate based
- Critical Dimensioning
- Estimating
Other Sketched Views
- Pictorial
- Sections
- Detail
Sketching from Written Descriptions and Photos